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Re: RTL kernels - Re: Latest UTB Newsletter

From: "joe" <joe tmsusa com>

> Audioslave - 7M3 - Live wrote:
> >Someone at work talks about using robotic devices with real time linux
> >kernels. I haven't tried out those kernel versions, but I was wondering
> >these versions were ever tried out for gaming and with the functionality
> >and time critical process need to be real alternatives to the NT4, 5 and
> >5.1 alternatives.
> >
> You're kidding right?
> There are at least 3 hard realtime linux solutions
> I can think of - this is used where you absolutely
> have to respond in 150 microseconds, not 500
> or 850. The question is, could windows ever be
> a real alternative to realtime linux - from the way
> the embedded market is moving to linux, I think
> the answer is fairly clear....
> As for gaming, a hard realtime linux kernel would
> probably be way overkill - the latency distribution
> of the 2.5 kernel will probably be more than good
> enough for the most hard core gamer....

Hard real time breaks as soon as touch the network or you have complex
displays to update. That's why I prefer a machine that has very good
soft real time. THEN I can put in some hard real time if I need to.
But when I am going off outside the hard real time world I still get
excellent performance.


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